Looking for a set of wireless headphones that offer both long battery life and exceptional sound quality? Look no further than the Sony WH-CH520 Wireless Headphones. With up to 50 hours of battery life on a single charge, you can enjoy your favorite music or podcasts for days on end without worrying about running out of power. And if you do need to top up your headphones' battery, a quick 3-minute charge can give you an extra 1.5 hours of listening time. In addition to great battery life, the Sony WH-CH520 Wireless Headphones also offer crystal-clear call quality, thanks to a built-in microphone that provides hands-free calling. Whether you're taking a work meeting, joining an online class, or just catching up with friends, these headphones ensure that you're always connected and heard clearly. Finally, the Sony WH-CH520 Wireless Headphones offer multipoint connectivity, allowing you to pair them with two Bluetooth devices at the same time. This means that when a call comes in, your headphones will automatically connect to the right device, ensuring that you're always connected and never miss an important call. With all these features and more, the Sony WH-CH520 Wireless Headphones are the perfect choice for anyone looking for high-quality, long-lasting wireless headphones.